Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1997 Lexus SC 400FACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis: Electrical: Starter: Overhaul
NOTE:
Overhaul procedures are not available at time of publication. See STARTER OVERHAUL SPECIFICATIONS table and Fig 1
.
STARTER OVERHAUL SPECIFICATIONS
| Application | Specification | |||
|---|---|---|---|---|
| Brushes | ||||
| Standard Length | .59" (15.0 mm) | |||
| Minimum Length | .35" (9.0 mm) | |||
| Brush Spring Tension | 4.8-6.2 Lbs. (2.2-2.8 kg) | |||
| Commutator Diameter | ||||
| Standard | 1.38" (35.0 mm) | |||
| Minimum | 1.34" (34.0 mm) | |||
| Commutator Mica Undercut (Minimum) (1) | .008" (.20 mm) | |||
| Commutator Runout (Maximum) | .002" (.05 mm) | |||
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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